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SC2449 数据表(PDF) 2 Page - Semtech Corporation |
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SC2449 数据表(HTML) 2 Page - Semtech Corporation |
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2 / 20 page ![]() 2 2002 Semtech Corp. www.semtech.com POWER MANAGEMENT SC2449 Electrical Characteristics Absolute Maximum Ratings r e t e m a r a P l o b m y Sm u m i x a Ms t i n U e g a t l o V y l p p u SV N I 0 3V s n i P T S B n o e g a t l o VV T S B 8 3V y c n e u q e r F r o t a ll i c s O ) 1 ( 2z H M C C V 8V e s a C o t n o i t c n u J e c n a t s i s e R l a m r e h T θ C J 5 2W / C ° t n e i b m A o t n o i t c n u J e c n a t s i s e R l a m r e h T θ A J 0 8W / C ° e g n a R e r u t a r e p m e T g n i t a r e p OT A 5 8 + o t 0 4 -C ° e g n a R e r u t a r e p m e T e g a r o t ST G T S 0 5 1 + o t 5 5 -C ° s d n o c e s 0 1 ) g n i r e d l o S ( e r u t a r e p m e T d a e LT D A E L 0 0 3C ° Note: (1) Maximum frequency and maximum supply voltage could cause excessive power dissipation in the part. r e t e m a r a Ps n o i t i d n o Cn i Mp y Tx a Ms t i n U V , e g a t l o V y l p p u S N I 5 . 88 2V t n e r r u C y l p p u S0 = E L B A N E0 30 4A m t u o k c o L e g a t l o V r e d n U 8 . 5V s i s e r e t s y H O L V U 0 0 4V m r o t a l u g e R e g a t l o V e g a t l o V r o t a l u g e R e r P 67 V e g a t l o V t u o g BC D A O L F n 7 . 4 =9 9 . 01 1 0 . 1V e c n a d e p m I t u o g B 3K Ω t n e r r u C k n i S n i P V R D G E RI V R D G E R 5A m p m A r o r r E e g a t l o V t e s f f O t u p n I 5 1V m h c t a m s i M t e s f f O t u p n I 6V m e c n a d e p m I t u p n I 5K Ω e c n a t c u d n o c s n a r T r a e n i L 2 0 0 .V / A r o t a l l i c s O l a n r e t n I y c n e u q e r FR F E R K 0 3 =1 z H M y c n e u q e r FR F E R K 0 6 =0 0 5z H k Unless specified V IN = 24V, TA = 25°C Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied. |
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